As a master of the art of coaxing the most exotic and unexpected sounds from perfectly harmless instruments by way of lateral thinking and extended techniques, Helmut Lachenmann’s game is always worth the candle. There are three classic pieces here, performed by the world class Jack Quartet, regular interpreters of Lachenmann’s music - Gran Torso, Reigen Seliger Geister and Grido, a masterclass in timbral and structural complexity.